{"id":"CVE-2026-98005","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: delimit inode_share cache key components\n\nPreviously, inode_share keys were encoded as follows:\n\n  fingerprint || domain_id\n\nIt would be better to have a separat…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: delimit inode_share cache key components\n\nPreviously, inode_share keys were encoded as follows:\n\n  fingerprint || domain_id\n\nIt would be better to have a separat…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= e0bf7d1c074dc4252223ae897560345ccc24100d < 16322a67336cfeea0af4b05206ef8d0e0eda55bb","Linux >= e0bf7d1c074dc4252223ae897560345ccc24100d < 96bf9831fbf423b8104f7948cd8fe7007ecfb46c","Linux 7.0"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:28.740","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98005","references":[{"url":"https://git.kernel.org/stable/c/16322a67336cfeea0af4b05206ef8d0e0eda55bb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/96bf9831fbf423b8104f7948cd8fe7007ecfb46c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98005.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98005"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541268"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98005"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98005"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98005.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-25T11:06:38.860Z","epss":0.00155,"epssPercentile":0.04617,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-694"],"slug":"CVE-2026-98005","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nerofs: delimit inode_share cache key components\n\nPreviously, inode_share keys were encoded as follows:\n\n  fingerprint || domain_id\n\nIt would be better to have a separator between the fingerprint and domain\nID so that the fingerprint won't be parsed as part of a domain ID.\n\nChange the key encoding as follows:\n\n  domain_id || '\\0' || fingerprint\n\nSince domain_id is a NUL-terminated string, this makes the in-memory key\nindices unambiguous.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-09-28 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98005.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":212513,"id":"CVE-2026-98005","ts":1790668195684,"field":"cvss","old":null,"new":"5.5"},{"seq":212512,"id":"CVE-2026-98005","ts":1790668195684,"field":"severity","old":"none","new":"medium"}]}